1 files changed, 46 insertions, 0 deletions
diff --git a/rpc/contract.go b/rpc/contract.go
new file mode 100644
index 0000000..aa1f194
--- /dev/null
+++ b/rpc/contract.go
@@ -0,0 +1,46 @@
+//Package rpc provides abstract rpc server
+//
+//Copyright (C) 2022 Alexander Kiryukhin <i@neonxp.dev>
+//
+//This file is part of go.neonxp.dev/jsonrpc2 project.
+//
+//This program is free software: you can redistribute it and/or modify
+//it under the terms of the GNU General Public License as published by
+//the Free Software Foundation, either version 3 of the License, or
+//(at your option) any later version.
+//
+//This program is distributed in the hope that it will be useful,
+//but WITHOUT ANY WARRANTY; without even the implied warranty of
+//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//GNU General Public License for more details.
+//
+//You should have received a copy of the GNU General Public License
+//along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+package rpc
+
+import (
+	"context"
+	"encoding/json"
+)
+
+type RpcHandler func(ctx context.Context, req *RpcRequest) *RpcResponse
+
+type RpcRequest struct {
+	Jsonrpc string          `json:"jsonrpc"`
+	Method  string          `json:"method"`
+	Params  json.RawMessage `json:"params"`
+	Id      any             `json:"id"`
+}
+
+type RpcResponse struct {
+	Jsonrpc string          `json:"jsonrpc"`
+	Result  json.RawMessage `json:"result,omitempty"`
+	Error   error           `json:"error,omitempty"`
+	Id      any             `json:"id,omitempty"`
+}
+
+type Flusher interface {
+	// Flush sends any buffered data to the client.
+	Flush()
+}